Polysaccharide Ⅰ was composed of ribose, galactose and acetylaminogalactose in the molar ratio of .:.0:.0. Polysacchari果表明多糖(Ⅱ)由核糖、半乳糖和乙酰氨基半乳糖以分子比约为 .:.0:.0组成,多糖(Ⅰ)则由核糖和半乳糖以分子比约为.:.0组成。